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Lab Report: Heating KClO3 to Produce Substitute Salt (KCl), Exercises of Chemistry

Tamil Nadu Open University Chemistry

A lab report detailing an experiment where potassium chlorate (kclo3) is heated to produce potassium chloride (kcl) as a substitute salt. The balanced reaction, procedure, data collection, and calculations for the mass of kcl produced. Students are encouraged to answer questions related to the reaction type, theoretical and actual mass of kcl, and the relationship between kclo3 and oxygen.

Typology: Exercises

2012/2013

Uploaded on 01/30/2013

sekariapuram_16star 🇮🇳

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Download Lab Report: Heating KClO3 to Produce Substitute Salt (KCl) and more Exercises Chemistry in PDF only on Docsity! 8.6 - Substitute Salt Name________________ Question: What will happen to KClO3 if it is heated up? (Mass change? Products?) Reaction: 2KClO3  Procedure Heat KClO3 strongly in a crucible and take masses before and after. Data 1. Mass of crucible = ________ 2. Mass of crucible and KClO3 together = __________ 3. Mass of crucible after heated =____________ During Lab: before you heat the crucible, answer the following questions: 1. What is the balanced reaction for this lab? What type of reaction is it? 2. Using stoichiometry, calculate the amount of substitute salt (KCl) produced theoretically. Conclusion: 1. What happened to the KClO3 when it was heated? 2. Calculate the actual mass of substitute salt (KCl) produced using the lab data. 3. What is your percent error of substitute salt? Actual- theoretical/ theoretical x 100 = % error? 4. If you needed 656g of oxygen how many grams of KClO3 would need to be heated? (show work) Docsity.com

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